directionalMean
描述
¥Description
This module calculate the average angle of a set of lines, measuring the trend of it.It can be used in both project coordinate system and geography coordinate system.It can handle segments of line or the whole line.
参数
¥Parameters
名称 | 类型 | 描述 |
---|---|---|
lines | FeatureCollection<LineString> | |
options? | object | (默认 ) |
options.planar? | boolean | whether the spatial reference system is projected or geographical.(默认 true) |
options.segment? | boolean | whether treat a LineString as a whole or a set of segments.(默认 false) |
返回
¥Returns
DirectionalMeanLine 方向平均线
¥DirectionalMeanLine Directional Mean Line
示例
¥Examples
var lines = turf.lineStrings([
[
[110, 45],
[120, 50],
],
[
[100, 50],
[115, 55],
],
]);
var directionalMeanLine = turf.directionalMean(lines);
// => directionalMeanLine
安装
¥Installation
$ npm install @turf/directional-mean
import { directionalMean } from "@turf/directional-mean";
const result = directionalMean(...);
$ npm install @turf/turf
import * as turf from "@turf/turf";
const result = turf.directionalMean(...);